GREENVILLE, SC (WSPA) – Five men are accused of conspiring to kill a key witness in a 2015 robbery of a Domino’s Pizza delivery driver.

Deputies started to investigate members of the PIRU BLOODS gang after they learned about continuous threats coming out of the Greenville Co. Detention Center.

The say the suspect in the robbery, Brian Willie Benson Lewis contacted and conspired to commit murder with multiple members of the gang including:

Demetrius Cummings, 23

Antonio Williamson, 29

Darius Brown, 27

Zanadro Neal, 32

Deputies says they worked with ATF, FBI, US Probation Office and the Solicitor’s Office in the investigation.

They were able to seize two handguns and an assault rifle that validated the threats, according to the report.

All suspects are charged with Conspiracy to Commit Murder.

Lewis was charged with 4 counts of Conspiracy to Commit Murder in addition to 4 counts of Solicitation to Commit Murder.

Sheriff Lewis activated specialized Sheriff’s Office Deputies to provide around the clock protection for the State’s witness and family, according to the report.

They say Lewis was found guilty and sentenced to 32 years of the Armed Robbery and associated charges.